As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE RT AIR VALVE WARNING LIGHT ILLUMINATED. CREW FOLLOWED QRH AND REDUCED POWER BELOW 92 PERCENT, AND THE LIGHT STAYED ILLUMINATED. THE CREW RETURNED TO PIT A/C WAS TAKEN OUT OF SERVICE AT 2235 (LT). PIT MX T/S RT INTAKE HEAT SYSTEM AND FOUND A WIRE TO BE BROKEN ON THE RT INTAKE HEAT SWITCH. PIT MX REPAIRED WIRE, AND PERFORMED OPERATIONEL TEST OF THE RT INTAKE HEAT SYSTEM. OPERATIONAL TEST SATIFACTORY NO FAULTS NOTED. A/C RETURNED TO SERVICE AT 0040 9-2-03.